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Because there need to be more of these.
The world is like cake.
It has layers.
Not like, onion layers, but like one after another cake layers.
This is just a metaphor, but is simplifies a much more difficult concept to something humans can understand.
So, at the bottom layer of the world cake are the energy dimensions you know as heaven and hell. One layer above them is this Earth.
Yes, I did say 'this earth.' Yes there are more of them.
That is why there are so many supernatural creatures in this earth, because it is the one most closely tied to the bottom. It would need to be destroyed first for the entire multiverse to be re-created.
Did you think the apocalypse was just about one planet?
Anyway, the further away, the more 'layers' you ascend, the less supernatural occurences there are, and the more interaction those earths have with other dimensions of different creators.
Angels are charged with protecting the earth from these intruders who want a slice of our cake.
How do you think Castiel got promoted so fast?
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sooooo... I want BAMF Cas meeting Thor/Avengers movies
+Super, if it's post Winchester apocolypse (like after season 5)
+Special, if pre-Supernatural series
+Awesome, if Cas's leading an army either in Thor to save the town, or in Avengers to beat Loki
+HUGS, if he's in Asgard as a diplomat
+LOVE, if he asks Thor/Loki/Chitari if they have green cards
+Infinity if Loki actually does have a green card
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Wow, this is a very old prompt I dug up. I posted it here because I thought it made a good premiss for many crossovr possibilities.
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